Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Shifting into January, Castlewood records an average high-temperature of a still wintry 41.2°F (5.1°C), presenting minor fluctuations compared to the previous month. During January, Castlewood experiences a consistent low-temperature average of 22.1°F (-5.5°C).Humidity
In Castlewood, the average relative humidity in January is 64%.Rainfall
In Castlewood, during January, the rain falls for 4.4 days and regularly aggregates up to 0.51" (13mm) of precipitation. Throughout the year, there are 94.2 rainfall days, and 11.97" (304mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Castlewood, in January, during 6.8 snowfall days, 3.62" (92mm) of snow is typically accumulated. Throughout the year, there are 46.5 snowfall days, and 37.2" (945mm) of snow is accumulated.Daylight
In January, the average length of the day in Castlewood is 9h and 45min.On the first day of January in Castlewood, sunrise is at 7:20 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:17 pm MST.
Sunshine
The average sunshine in January is 7h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is January cold?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Castlewood have in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Castlewood, CO
- Average high temperature in January: 41.2°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (40.3°F).
- Average low temperature in January: 22.1°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in January
Castlewood, CO
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).
Average wind speed in January
Castlewood, CO
- Average wind speed in January: 6.8mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest months (with the lowest average wind speed) are August and December (6.5mph).
Average humidity in January
Castlewood, CO
- Average humidity in January: 64%
The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June, August and September (43%).
Average rainfall in January
Castlewood, CO
- Average rainfall in January: 0.51"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in January
Castlewood, CO
- Average rainfall days in January: 4.4 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is November (3.4 days).
Average snowfall in January
Castlewood, CO
- Average snowfall in January: 3.62"
The month with the highest snowfall is April (6.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Castlewood, CO
- Average snowfall days in January: 6.8 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Castlewood, CO
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 7h and 0min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in January
Castlewood, CO
- Average sunshine days in January: 22.4 days
The month with the most sunshine days is November (23.2 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in January
Castlewood, CO
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Castlewood, CO
- Average cloud cover in January: 21
The month with the most cloud cover is April (Cloud cover 26).
The months with the least cloud cover are June and September (Cloud cover 15).
Average visibility in January
Castlewood, CO
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Castlewood, Colorado, USA
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